Muzakkir , M., F. R. Sembiring, M. Indriana, and S. Salman. “Study on the Utilization of Jamblang (Syzygium Cumini L.) Bark Extract As a Herbal-Based Alternative Hair Dye”. Journal of Pharmaceutical and Sciences, vol. 8, no. 1, Feb. 2025, pp. 291-02, doi:10.36490/journal-jps.com.v8i1.795.